CN104963801A - Ignition coil testing system and method - Google Patents
Ignition coil testing system and method Download PDFInfo
- Publication number
- CN104963801A CN104963801A CN201510426585.8A CN201510426585A CN104963801A CN 104963801 A CN104963801 A CN 104963801A CN 201510426585 A CN201510426585 A CN 201510426585A CN 104963801 A CN104963801 A CN 104963801A
- Authority
- CN
- China
- Prior art keywords
- ignition coil
- coil
- measuring system
- circuit
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 7
- 238000004891 communication Methods 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 7
- 238000010998 test method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The invention relates to an ignition coil testing system and method. The system mainly comprises a wiring end for being connected with an ignition coil, a drive detecting circuit connected with the wiring end and capable of detecting the voltage U1 of the drive signal end of the ignition coil, a recognizing circuit connected with the drive detecting circuit and capable of judging the drive mode of the ignition coil according to the voltage U1 detected by the drive detecting circuit, and an output end connected with the recognizing circuit and capable of outputting the drive mode, recognized by the recognizing circuit, of the ignition coil. If the voltage U1 of the drive signal end of the ignition coil is almost equal to the voltage U0 of the POWER end of the ignition coil, it is judged that no drive amplifying circuit is integrated in the ignition coil; otherwise, it is judged that a drive amplifying circuit is integrated in the ignition coil. The coil is prevented from damage caused by misoperation of a user, the durability of the ignition coil can be tested, and the working state of the ignition coil is monitored in real time.
Description
Technical field
The present invention relates to a kind of automobile Ignition Coil Measuring System, especially a kind of Ignition-Coil Measurement System for Automobiles, can be used in the driving mode of identification ignition coil.
Background technique
For many years, the testing apparatus major part of domestic automobile industry is also relatively backward, and quality of product is difficult to effectively improve all the time.In order to adapt to the needs of automotive industry fast development, the measure of testing automobile quality of product must be improved energetically.Spark coil is the key component in automobile product, directly affects the power character of automobile, Economy.Need that function is complete, precision is high, the advanced ATE of good reliability, to ensure good quality thus.
Existing igniting test system function singleness, troublesome poeration, cannot ignition energy be measured, even need just can finish the work in conjunction with instruments such as PC, oscillograph, external power supplys.
In addition, current spark coil, its driving mode has two kinds: one is that spark coil inside is integrated with drive amplification circuit, as long as an outside small-signal just can allow it normally work; Another does not have integrated driving amplification circuit in spark coil, spark coil operationally, outside must first signal be amplified after could input point fire coil, otherwise cannot allow its work.
And for the spark coil of above-mentioned two kinds of driving mode, it needs different drive singal, if when drive singal does not mate, gently then cannot run, heavy then likely cause and burn.Therefore, current igniting test system also mates for above-mentioned two kinds of spark coils respectively, does not still have a kind of igniting test system that simultaneously can mate above-mentioned two kinds of spark coils.
Summary of the invention
In order to overcome the problems referred to above of prior art, the object of the present invention is to provide a kind of automobile Ignition Coil Measuring System, it can carry out measurement and monitoring to spark coil, can identification ignition coil drive mode automatically, and automatic output drive signal can be carried out according to the driving mode of spark coil, can Optimum Operation mode, user friendly operation, can not cause the damage of coil because of the misoperation of user; Durability test can be carried out to spark coil, and the working state of real-time monitory point fire coil; Can timing controlled or external control igniting test system, thus simulate various spark coil operating mode.
In order to achieve the above object, main technical schemes provided by the invention comprises:
Automobile Ignition Coil Measuring System of the present invention, it mainly comprises:
One terminal, for being connected with spark coil;
One drives testing circuit, is connected and the voltage U 1 of the drive singal end of energy Check point fire coil with terminal;
One recognition circuit, being connected with driving testing circuit also can according to the driving mode of the voltage U 1 judging point fire coil driving testing circuit to record;
One output terminal, is connected with recognition circuit and the driving mode of the spark coil that recognition circuit can be identified exports.If the voltage U 0 that the voltage U of the drive singal end of spark coil 1 is held with the POWER of spark coil is roughly equal, be then judged as that spark coil inside does not have integrated driving amplification circuit, otherwise, be then judged as that spark coil inside is integrated with drive amplification circuit.
Above-mentioned automobile Ignition Coil Measuring System, also comprise a driving diverter circuit, it has control relay, the driving mode of the spark coil that this control relay exports according to output terminal selects open and-shut mode, and this driving diverter circuit also has all deenergizings, identify the driving mode of spark coil at recognition circuit before, between guarantee point fire coil and its drive singal, be in dissengaged positions.
Above-mentioned automobile Ignition Coil Measuring System, also comprises:
One main control module, as the control centre of described automobile Ignition Coil Measuring System;
One CAN communication module, sets up described main control module and is connected with the communication of other intermodules of automobile Ignition Coil Measuring System;
One memory module and USB module;
Above-mentioned automobile Ignition Coil Measuring System, the terminal described in it have spark coil connector.
Above-mentioned automobile Ignition Coil Measuring System, it comprises human-computer interaction interface, and it has display screen, button and code switch.
The test method of above-mentioned automobile Ignition Coil Measuring System, its key step comprises:
Step 1: automobile Ignition Coil Measuring System initialization;
Step 2: after step 1, the button on scanning human-computer interaction interface and code switch are arranged;
Step 3: after step 2, judges whether button and code switch are operated, and if not, then returns and performs step 2, if so, then continues to perform step 4;
Step 4: after step 3, man-machine interface shows corresponding operation;
Step 5: after step 4, judges whether enable switch is operated, and if not, then performs step 6, if so, then performs step 8;
Step 6: after step 5, reads whether parameters, if so, then performs step 7, if not, then return and perform step 2;
Step 7: after step 6, parameter value preserved by storage, performs step 2;
Step 8: judge signal output channels whether Close All, if so, then perform step 9, if not, then performs step 10;
Step 9: after step 8, display alarm information in man-machine interface, then performs step 2;
Step 10: after step 8, master control borad sends instruction to driving plate by CAN communication module;
Step 11: after step 10, judges whether driving plate successfully receives instruction, if not, then performs step 12, if so, then performs step 15;
Step 12: after step 11, judges that whether send instruction number of times is less than 3, if transmission times is less than 3, then returns and performs step 10; If transmission times is greater than 3, then perform step 13;
Step 13: after step 12, resets transmission times;
Step 14: after step 13, display alarm information in man-machine interface, then performs step 2;
Step 15: after step 11, judges whether to start driving plate, if so, then performs step 17, if not, then performs step 16;
Step 16: after step 15, if be judged as, driving plate quits work or does not start, and performs step 2;
Step 17: after step 15, feedback reception successful information is to master control borad;
Step 18: after step 17, master control borad sends instruction to measuring plate, and allows it detect the signal of respective channel;
Step 19: after step 18, the driving mode of the automatic Check point fire coil of driving plate, and automatically switch to corresponding drive circuit;
Step 20: after step 19, exports corresponding drive singal, if do not export corresponding drive singal, then returns and performs step 15.
Automobile Ignition Coil Measuring System of the present invention, it can carry out measurement and monitoring to spark coil, and can carry out automatic output drive signal according to the driving mode of spark coil, can Optimum Operation mode, user friendly operation, can not cause the damage of coil because of the misoperation of user; Durability test can be carried out to spark coil, and the working state of real-time monitory point fire coil; Can timing controlled or external control igniting test system, thus simulate various spark coil operating mode.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram (inside is integrated with driving amplifier) of spark coil;
Fig. 2 is the overall structure schematic diagram (inside does not have integrated driving amplifier) of another kind of spark coil;
Fig. 3 is the electrical block diagram of the automobile Ignition Coil Measuring System of one embodiment of the invention;
Fig. 4 is the operating process schematic diagram of the automobile Ignition Coil Measuring System of one embodiment of the invention.
Embodiment
In order to better explain the present invention, so that understand, below in conjunction with accompanying drawing, by embodiment, the present invention is described in detail.
In automotive engine ignition system, spark coil is ignition engine cylinder air and fuel oil mixture thus provides the power unit of ignition energy.Spark coil is based on electromagnetic induction principle work, and in single light-off period, its working procedure can be divided into 3 stages: Darlington transistor conducting, and primary current exponentially increases, the magnetic field that in magnetic circuit, generation one is very strong; Darlington transistor ends, and decays rapidly in magnetic field, and secondary windings produces high pressure; Secondary voltage disruptive spark plug, ignition combustion indoor oil gas mixture.
After system starts to start driving plate, driving plate removes the voltage of the drive singal end of Check point fire coil automatically.Can be known by Fig. 2, inside does not have the IGBT of the spark coil of integrated driving amplification circuit to hold and is an inductance between Power end, and inductance its both end voltage in desired static is equal.In reality, inductance there is internal resistance, if so driving voltage approximates the voltage of Power, then illustrates that spark coil inside does not have integrated driving amplification circuit; Otherwise, illustrate that its inside is integrated with drive amplification circuit (as shown in Figure 1).According to these characteristics, the present invention have devised can the circuit system of identification ignition coil drive mode automatically.
See Fig. 3, the automobile Ignition Coil Measuring System of one embodiment of the invention, this system, primarily of master board, driving plate and measurement plate composition, carries out communication by CAN between plate and plate, the interference between decreasing so to a great extent mutually and improve the Processing capacity of data.
Wherein master board is as main body, can control driving plate and measure plate work, and the data that measurement plate feeds back is shown; Driving plate can the driving mode of identification ignition coil automatically, and performs the order of master board and make feedback; Measure after plate performs the order of master board and the performance of spark coil is tested, and test data is returned to master board.
Master board comprises main control module, human-computer interaction interface, CAN communication module, memory module and USB module.
Wherein main control module is the brain of system, and the information of modules is carried out calculation process and made instruction by it.
Human-computer interaction interface is made up of 7 cun of liquid crystal display panel, button and code switchs, and operator carries out system parameter setting by these and reads data.
CAN communication module is master board and driving plate and the bridge measuring plate, and master control borad sends order and reception data all need just can complete through CAN communication module.
Memory module can be got off the data logging received, and carries out analysing and processing with easy-to-operat person to test result.
Operator not only can be read and write memory module by USB module, can also upgrade to system.
Driving plate comprises drive amplification circuit, drives testing circuit, drives diverter circuit and CAN communication module.Before system starts, spark coil drives diverter circuit that the signal end of spark coil is cut off, in case stop signal damages because it drives different.After starting working, drive the driving mode of testing circuit Check point fire coil, drive diverter circuit and select according to this fire signal that is applicable to.
Measure plate can measuring point fire coil work time primary voltage, secondary voltage, secondary current and ignition energy.Measure after buttress carries out shaping, process according to different measured values and be input to single-chip microcomputer, single-chip microcomputer, by after the conversion of the signal transacting of input, is sent to master board by CAN data.
In Fig. 3, Coil_Signal is the fire signal that single-chip microcomputer exports, and Coil_Detect is the signal of Check point fire coil driving mode, Relay_Set and Relay_Reset is the signal fire signal of control relay.Single-chip microcomputer first reads Coil_Detect, the whether inner integrated driving amplifier of judging point fire coil.Be, relay closes; Otherwise relay is opened.Then single-chip microcomputer exports fire signal, and fire signal, through the isolation of U4 optocoupler sensor, after carrying out shaping, then exports by U3A after signal amplifies by Darlington transistor.
Arranged by said structure, make operator can not go to carry out the work of extra judging point fire coil driving mode, and can directly use test system of the present invention to test spark coil.Further, the situation causing because spark coil driving mode is different burning can not be there is.
As shown in Figure 4, present invention also offers the workflow diagram of a test system of the present invention embodiment, it mainly comprises the steps:
Step 1: automobile Ignition Coil Measuring System initialization;
Step 2: after step 1, the button on scanning human-computer interaction interface and code switch are arranged;
Step 3: after step 2, judges whether button and code switch are operated, and if not, then returns and performs step 2, if so, then continues to perform step 4;
Step 4: after step 3, man-machine interface shows corresponding operation;
Step 5: after step 4, judges whether enable switch is operated, and if not, then performs step 6, if so, then performs step 8;
Step 6: after step 5, reads whether parameters, if so, then performs step 7, if not, then return and perform step 2;
Step 7: after step 6, parameter value preserved by storage, performs step 2;
Step 8: judge signal output channels whether Close All, if so, then perform step 9, if not, then performs step 10;
Step 9: after step 8, display alarm information in man-machine interface, then performs step 2;
Step 10: after step 8, master control borad sends instruction to driving plate by CAN communication module;
Step 11: after step 10, judges whether driving plate successfully receives instruction, if not, then performs step 12, if so, then performs step 15;
Step 12: after step 11, judges that whether send instruction number of times is less than 3, if transmission times is less than 3, then returns and performs step 10; If transmission times is greater than 3, then perform step 13;
Step 13: after step 12, resets transmission times;
Step 14: after step 13, display alarm information in man-machine interface, then performs step 2;
Step 15: after step 11, judges whether to start driving plate, if so, then performs step 17, if not, then performs step 16;
Step 16: after step 15, if be judged as, driving plate quits work or does not start, and performs step 2;
Step 17: after step 15, feedback reception successful information is to master control borad;
Step 18: after step 17, master control borad sends instruction to measuring plate, and allows it detect the signal of respective channel;
Step 19: after step 18, the driving mode of the automatic Check point fire coil of driving plate, and automatically switch to corresponding drive circuit;
Step 20: after step 19, exports corresponding drive singal, if do not export corresponding drive singal, then returns and performs step 15.
By the way, make test system of the present invention both can realize detecting quickly and easily, and can guaranteed performance stablize.Especially can prevent the misoperation of operator and cause the damage of spark coil, and optimizing mode of operation.
Claims (10)
1. an automobile Ignition Coil Measuring System, is characterized in that, it has:
Terminal, for being connected with spark coil;
Drive testing circuit, be connected with terminal and the voltage U 1 of the drive singal end of energy Check point fire coil;
Recognition circuit, being connected with driving testing circuit also can according to the driving mode of the voltage U 1 judging point fire coil driving testing circuit to record;
Output terminal, is connected with recognition circuit and the driving mode of the spark coil that recognition circuit can be identified exports.
2. automobile Ignition Coil Measuring System as claimed in claim 1, is characterized in that:
The RM of the driving mode of described recognition circuit identification ignition coil is, the voltage U 0 that the voltage U 1 comparing the drive singal end of the spark coil driving testing circuit to detect is held with the POWER of spark coil.
3. automobile Ignition Coil Measuring System as claimed in claim 2, is characterized in that:
If the voltage U 0 that the voltage U of the drive singal end of spark coil 1 is held with the POWER of spark coil is roughly equal, i.e. U1>=(U0*70%) and U1<=(U0*130%), then be judged as that spark coil inside does not have integrated driving amplification circuit, otherwise, be then judged as that spark coil inside is integrated with drive amplification circuit.
4. automobile Ignition Coil Measuring System as claimed in claim 1, is characterized in that:
Also comprise driving diverter circuit, it has control relay, and the driving mode of the spark coil that this control relay exports according to output terminal selects open and-shut mode.
5. automobile Ignition Coil Measuring System as claimed in claim 4, is characterized in that:
Described driving diverter circuit also has cut-out circuit, before identifying the driving mode of spark coil, is in dissengaged positions between guarantee point fire coil and its drive singal at recognition circuit.
6. automobile Ignition Coil Measuring System as claimed in claim 1, is characterized in that:
Also comprise main control module, as the control centre of described automobile Ignition Coil Measuring System.
7. automobile Ignition Coil Measuring System as claimed in claim 6, is characterized in that:
Also comprise CAN communication module, set up described main control module and be connected with the communication of other intermodules of automobile Ignition Coil Measuring System.
8. automobile Ignition Coil Measuring System as claimed in claim 1, is characterized in that:
Also comprise memory module and USB module.Described terminal have spark coil connector.
9. automobile Ignition Coil Measuring System as claimed in claim 1, is characterized in that:
Also comprise human-computer interaction interface, it has display screen, button and code switch.
10. a test method for the arbitrary automobile Ignition Coil Measuring System in claim 1-9, its step comprises:
Step 1: automobile Ignition Coil Measuring System initialization;
Step 2: after step 1, the button on scanning human-computer interaction interface and code switch are arranged;
Step 3: after step 2, judges whether button and code switch are operated, and if not, then returns and performs step 2, if so, then continues to perform step 4;
Step 4: after step 3, man-machine interface shows corresponding operation;
Step 5: after step 4, judges whether enable switch is operated, and if not, then performs step 6, if so, then performs step 8;
Step 6: after step 5, reads whether parameters, if so, then performs step 7, if not, then return and perform step 2;
Step 7: after step 6, parameter value preserved by storage, performs step 2;
Step 8: judge signal output channels whether Close All, if so, then perform step 9, if not, then performs step 10;
Step 9: after step 8, display alarm information in man-machine interface, then performs step 2;
Step 10: after step 8, master control borad sends instruction to driving plate by CAN communication module;
Step 11: after step 10, judges whether driving plate successfully receives instruction, if not, then performs step 12, if so, then performs step 15;
Step 12: after step 11, judges that whether send instruction number of times is less than 3, if transmission times is less than 3, then returns and performs step 10; If transmission times is greater than 3, then perform step 13;
Step 13: after step 12, resets transmission times;
Step 14: after step 13, display alarm information in man-machine interface, then performs step 2;
Step 15: after step 11, judges whether to start driving plate, if so, then performs step 17, if not, then performs step 16;
Step 16: after step 15, if be judged as, driving plate quits work or does not start, and performs step 2;
Step 17: after step 15, feedback reception successful information is to master control borad;
Step 18: after step 17, master control borad sends instruction to measuring plate, and allows it detect the signal of respective channel;
Step 19: after step 18, the driving mode of the automatic Check point fire coil of driving plate, and automatically switch to corresponding drive circuit;
Step 20: after step 19, exports corresponding drive singal, if do not export corresponding drive singal, then returns and performs step 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426585.8A CN104963801B (en) | 2015-07-20 | 2015-07-20 | The method of testing of automobile Ignition Coil Measuring System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426585.8A CN104963801B (en) | 2015-07-20 | 2015-07-20 | The method of testing of automobile Ignition Coil Measuring System |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104963801A true CN104963801A (en) | 2015-10-07 |
| CN104963801B CN104963801B (en) | 2017-01-04 |
Family
ID=54217855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426585.8A Active CN104963801B (en) | 2015-07-20 | 2015-07-20 | The method of testing of automobile Ignition Coil Measuring System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104963801B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180585A (en) * | 2017-07-12 | 2017-09-19 | 山东建筑大学 | Ignition coil fault diagnosis system and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012339A (en) * | 1999-06-24 | 2001-01-16 | Hitachi Ltd | Diagnostic device for automobile ignition system and automobile on which this diagnostic device is mounted |
| DE69831383D1 (en) * | 1997-12-11 | 2005-10-06 | Cummins Inc | Device for diagnosis and testing of the ignition system of an internal combustion engine |
| CN2934639Y (en) * | 2006-07-19 | 2007-08-15 | 天津斯巴克瑞汽车电子有限公司 | Ignition coil integral parameter test platform |
| CN201106518Y (en) * | 2007-11-29 | 2008-08-27 | 天津市德中技术发展有限公司 | Exploring pole and load for testing gasoline internal-combustion engine ignition technical characteristics |
| CN201292907Y (en) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | Ignition coil test device |
| CN102852694A (en) * | 2012-08-21 | 2013-01-02 | 联合汽车电子有限公司 | Method and system for estimating output voltage of ignition coil |
| CN103941720A (en) * | 2014-03-24 | 2014-07-23 | 联合汽车电子有限公司 | Fault diagnosis circuit and method of internal-drive electrically-controlled ignition system |
| CN204755159U (en) * | 2015-07-20 | 2015-11-11 | 桂凌云 | Ignition coil test system |
-
2015
- 2015-07-20 CN CN201510426585.8A patent/CN104963801B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69831383D1 (en) * | 1997-12-11 | 2005-10-06 | Cummins Inc | Device for diagnosis and testing of the ignition system of an internal combustion engine |
| JP2001012339A (en) * | 1999-06-24 | 2001-01-16 | Hitachi Ltd | Diagnostic device for automobile ignition system and automobile on which this diagnostic device is mounted |
| CN2934639Y (en) * | 2006-07-19 | 2007-08-15 | 天津斯巴克瑞汽车电子有限公司 | Ignition coil integral parameter test platform |
| CN201106518Y (en) * | 2007-11-29 | 2008-08-27 | 天津市德中技术发展有限公司 | Exploring pole and load for testing gasoline internal-combustion engine ignition technical characteristics |
| CN201292907Y (en) * | 2008-10-31 | 2009-08-19 | 比亚迪股份有限公司 | Ignition coil test device |
| CN102852694A (en) * | 2012-08-21 | 2013-01-02 | 联合汽车电子有限公司 | Method and system for estimating output voltage of ignition coil |
| CN103941720A (en) * | 2014-03-24 | 2014-07-23 | 联合汽车电子有限公司 | Fault diagnosis circuit and method of internal-drive electrically-controlled ignition system |
| CN204755159U (en) * | 2015-07-20 | 2015-11-11 | 桂凌云 | Ignition coil test system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180585A (en) * | 2017-07-12 | 2017-09-19 | 山东建筑大学 | Ignition coil fault diagnosis system and method |
| CN107180585B (en) * | 2017-07-12 | 2019-08-06 | 山东建筑大学 | Ignition coil fault diagnosis system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104963801B (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100589587C (en) | Automatic test system for handset single-plate and its method | |
| US7574318B2 (en) | I/O port tester | |
| CN102621488A (en) | System and method for testing storage performance of aerospace electromagnetic relay | |
| CN109781179B (en) | Multi-channel multi-parameter sensor detection system and detection method thereof | |
| CN107576928A (en) | A kind of new Bulk current injection method immunity test system | |
| CN103308846A (en) | Method and device for detecting functional performance of integrated chip based on model identification | |
| CN204755159U (en) | Ignition coil test system | |
| CN202649371U (en) | Cable automatic detection device | |
| CN204517822U (en) | A kind of result with WIFI can be reviewed bluetooth and automatically be detected frock | |
| CN104963801A (en) | Ignition coil testing system and method | |
| CN108896880B (en) | Device and method for simulating turn-to-turn insulation fault of opening and closing coil of circuit breaker | |
| CN111999609A (en) | Method for checking interference signals of local discharge test of field transformer | |
| CN204731275U (en) | A kind of FCT test fixture | |
| CN105842560A (en) | Relay protection type component testing system | |
| CN207588113U (en) | Network interface plug-in and pull-off device and network interface insert-pull detection system | |
| CN107180574B (en) | Single detection circuit for vehicle components | |
| CN114594372B (en) | Test tool | |
| CN108051767B (en) | A kind of automatic diagnosis method for integrated circuit tester | |
| CN113485210B (en) | Automatic integrated self-checking system and method for large-scale electric signal sensing system | |
| CN110865324B (en) | Automatic setting method and system for line fault indicator | |
| CN213457262U (en) | Circuit breaker divide-shut brake coil repetitive pulse method detection device | |
| CN206038845U (en) | Domestic appliance dry combustion method circuit detection device | |
| CN110927477B (en) | Non-intrusive load identification detection method and system | |
| CN107834311A (en) | Network interface plug-in and pull-off device, network interface insert-pull detection system and method | |
| CN207441064U (en) | Vehicle component monomer detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170920 Address after: 100080, Beijing, Haidian District on the road No. 1, B building, room 840, room 8 Patentee after: Beijing Bailian Changtong Technology Co. Ltd. Address before: 100076 Beijing Ronghua Daxing District Yizhuang economic and Technological Development Zone in South Hebei Subaru building block A room 1802 Patentee before: Gui Lingyun |
|
| TR01 | Transfer of patent right |